use a c-style cast instead of reinterpret-cast, as sometimes the

cast needs to adjust for a vtable pointer when going from base to
derived type (when the base doesn't have a vtable but the
derived type does).

llvm-svn: 95585

1 files changed, 3 insertions, 2 deletions

diff --git a/llvm/include/llvm/Support/Casting.h b/llvm/include/llvm/Support/Casting.h
index 37a7c3b02d4..17bcb599059 100644
--- a/llvm/include/llvm/Support/Casting.h
+++ b/llvm/include/llvm/Support/Casting.h
@@ -180,8 +180,9 @@ template<class To, class From, class SimpleFrom> struct cast_convert_val {
 template<class To, class FromTy> struct cast_convert_val<To,FromTy,FromTy> {
   // This _is_ a simple type, just cast it.
   static typename cast_retty<To, FromTy>::ret_type doit(const FromTy &Val) {
-    return reinterpret_cast<typename cast_retty<To, FromTy>::ret_type>(
-                         const_cast<FromTy&>(Val));
+    typename cast_retty<To, FromTy>::ret_type Res2
+     = (typename cast_retty<To, FromTy>::ret_type)const_cast<FromTy&>(Val);
+    return Res2;
   }
 };